Home / 9,353.26-12,907.41-5,161.48

Finding the Fourth Proportional to 9,353.26, 12,907.41 and 5,161.48

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Solution

The fourth proportional to 9,353.26, 12,907.41 and 5,161.48 is: 7,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.26 : 12,907.41 = 5,161.48 : x
  2. Step 2: Convert to fraction form
    9,353.26/12,907.41 = 5,161.48/x
  3. Step 3: Cross multiply
    9,353.26x = 12,907.41 × 5,161.48
  4. Step 4: Simplify right side
    9,353.26x = 66,621,338.57
  5. Step 5: Solve for x
    x = 66,621,338.57/9,353.26
  6. Step 6: Final answer
    x = 7,122.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.